Lurker

Someone who "lurks" around an Internet forum, only reading and never posting. "Lurking" is often the result of being too scared or lazy to register, and the term mostly applies to those who do not; however you do get the occasional member who doesn't post.
On this page, you will find 30 slang terms related to Lurker. Some of the top words include: neffing, tagnut, Urban Dictionary low-life, zoodboog, BANNED!, and 25 more.